Home / 4,209.90-6,319.47-1,746.45

Finding the Fourth Proportional to 4,209.90, 6,319.47 and 1,746.45

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Solution

The fourth proportional to 4,209.90, 6,319.47 and 1,746.45 is: 2,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.90 : 6,319.47 = 1,746.45 : x
  2. Step 2: Convert to fraction form
    4,209.90/6,319.47 = 1,746.45/x
  3. Step 3: Cross multiply
    4,209.90x = 6,319.47 × 1,746.45
  4. Step 4: Simplify right side
    4,209.90x = 11,036,638.38
  5. Step 5: Solve for x
    x = 11,036,638.38/4,209.90
  6. Step 6: Final answer
    x = 2,621.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.